“…Although precision medicine breakthroughs offer the potential to reduce disease burden and mortality, there is also the potential for them to widen existing racial and ethnic health disparities (Smith et al, ). Racial and ethnic health disparities in the US have been linked to unequal healthcare access and social determinants of health (SDH), such as discrimination, residential segregation, low education, poverty, and income inequality (Galea, Tracy, Hoggatt, Dimaggio, & Karpati, ; Institute of Medicine (US) Committee on Understanding and Eliminating Racial and Ethnic Disparities in Health Care, ; ; ; Moy & Freeman, ). Consistent with the Diffusion of Innovation Theory (Rogers, ), which explains how, why, and at what pace new technologies or ideas are disseminated through a society, new medical innovations tend to be disseminated unevenly, benefiting socially advantaged groups more quickly than disadvantaged groups, such as racial and ethnic minorities.…”